Position:- VoIP Developer

Location:- Ahmedabad

Experience:- 5+ Years

Employment Type

Full time

Job Summary

We are seeking an experienced VoIP Developer with 5+ years of hands-on experience in FreeSWITCH, Kamailio, OpenSIPS, and Asterisk. The ideal candidate will be responsible for designing, developing, implementing, and maintaining enterprise-grade VoIP solutions. The candidate should possess strong expertise in SIP protocols, Linux environments, and telecom application development.

Key Responsibilities

· Design, develop, and maintain VoIP applications using FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.

· Configure and optimize SIP servers, dial plans, routing, and call flows.

· Develop and customize VoIP features based on business requirements.

· Integrate VoIP platforms with CRM systems, web applications, and third-party APIs.

· Troubleshoot SIP signaling, RTP media issues, and call quality problems.

· Monitor system performance and ensure high availability of VoIP services.

· Deploy, maintain, and troubleshoot applications in Linux environments.





· Analyze SIP traffic using tools such as Wireshark, sngrep, and server logs.

· Collaborate with cross-functional teams to develop and enhance telecom solutions.

· Prepare and maintain technical documentation.

Required Skills

· 5+ years of experience in VoIP development.

· Strong expertise in FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.

· Excellent knowledge of SIP, RTP, WebRTC, TCP/IP, UDP, and NAT traversal.

· Hands-on experience with Linux (CentOS/Ubuntu).

· Experience with MySQL/MariaDB or PostgreSQL.

· Knowledge of REST APIs and third-party integrations.

· Familiarity with Git and version control systems.

· Strong debugging, analytical, and problem-solving skills.

Preferred Skills

· Experience with RTP Engine, RTP Proxy, or Media Proxy.

· Knowledge of Docker and cloud deployment.

· Experience with high-availability and load-balancing solutions.

· Scripting experience in Python, Bash,

📌 VOIP Developer (Bengaluru)
🏢 core integra pvt lmt
📍 Bengaluru